chamilo / chamilo-lms

        $currentUserId = api_get_user_id();

        $restrictedCourses = self::getCatalogueCourseList(true);

        $allowedCoursesToCurrentUser = self::getCatalogueCourseList(true, $currentUserId);

        if (!empty($restrictedCourses)) {

            $visibilityCondition .= ' AND ('.$courseTableAlias.'.code NOT IN ("' . implode('","', $restrictedCourses) . '")';

            $visibilityCondition .= ' OR '.$courseTableAlias.'.code IN ("' . implode('","', $allowedCoursesToCurrentUser) . '"))';

        }

        // Check if course have users denied to see it in the catalogue, then show only if current user is not denied to see it

        $restrictedCourses = self::getCatalogueCourseList(false);

        // Check if course have users denied to see it in the catalogue, then show only if current user is not denied to see it

        $restrictedCourses = self::getCatalogueCourseList(false);

        $notAllowedCoursesToCurrentUser = self::getCatalogueCourseList(false, $currentUserId);

        if (!empty($restrictedCourses)) {

            $visibilityCondition .= ' AND ('.$courseTableAlias.'.code NOT IN ("' . implode('","', $restrictedCourses) . '")';

            $visibilityCondition .= ' OR '.$courseTableAlias.'.code NOT IN ("' . implode('","', $notAllowedCoursesToCurrentUser) . '"))';

        }

        return $visibilityCondition;

    }